18055+0311
- Unique Name: 18055+0311HEI 257
- RA: 18 05 27.30
- Dec: +03 11 27.1
- Discoverer: HEI
- Discoverer Number: 257
- Components:
- First year: 1984
- Last year: 2005
- Observations: 4
- First position angle: 333
- Last position angle: 331
- First separation: 1.9
- Last separation: 1.8
- Mag first component: 10.3
- Mag second component: 11.5
- Spectral type:
- Primary proper motion RA: 20
- Primary proper motion DEC: -27
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: